From The Rare Engelhard Industries Mint this bar was minted in 1981 with the Silver Art Bar guide book number of EI-1AV1 with a worldwide mintage not given or known and a rarity value of only $10.00 to $20.00 above spot Silver in the 18 year old book, just what is it worth today or 5 years from now bid on it now as they will never again be minted